Description:To all appearances, he's a healthy 76-year-old, but the man now known as Pope Francis will be fulfilling his papal responsibilities with only one fully functional lung. As a teenager in Buenos Aires, the Vatican says Jorge Mario Bergoglio had part of a lung removed, reportedly because of an infection. Some believe this could affect his performance and longevity as Pope, but 77 year old Ruth Whalen , a devout Catholic, says she's relieved that he survived at all.(3:07)